Multi-band beam codebook design and operations

Abstract

An electronic device and method for managing an antenna operating in a combination of frequency bands. The electronic device comprises at least one antenna including a plurality of antenna elements, a transceiver operably connected with the at least one antenna and configured for communication over multiple frequency parts. The electronic device also comprises a processor operably connected to the transceiver, the processor configured to determine the multiple frequency parts; identify, from a configuration received in response to the multiple frequency parts reported in the PUCCH, a combination of one or more frequency parts from the multiple frequency parts for performing the communication; obtain a beamforming codebook; and apply one or more beams within the beamforming codebook for performing the communication.

What is claimed is: 
     
       1. An electronic device comprising:
 at least one antenna including a plurality of antenna elements; 
 a transceiver operably connected with the at least one antenna, the transceiver configured for communication over multiple frequency parts; and 
 a processor operably connected to the transceiver, the processor configured to:
 determine the multiple frequency parts based on at least one of: spacing between the plurality of antenna elements, wavelengths of the multiple frequency parts, a radiation gain of the transceiver, or radiation efficiency of the multiple frequency parts; 
 report, in a physical uplink control channel (PUCCH), the multiple frequency parts for performing the communication; 
 identify, from a configuration received in response to the multiple frequency parts reported in the PUCCH, a combination of one or more frequency parts from the multiple frequency parts for performing the communication; 
 obtain a beamforming codebook by (i) selecting the beamforming codebook from a plurality of beamforming codebooks stored in memory, the selected beamforming codebook based on the combination of the one or more frequency parts and a bandwidth management operation, or (ii) generating the beamforming codebook based on the combination of the one or more frequency parts and the bandwidth management operation; and 
 apply one or more beams within the beamforming codebook for performing the communication. 
 
 
     
     
       2. The electronic device of  claim 1 , wherein a frequency part is one of a frequency band, a carrier within the frequency band, or a bandwidth part (BWP) in the carrier. 
     
     
       3. The electronic device of  claim 1 , wherein the bandwidth management operation comprises carrier aggregation, dual connectivity, or bandwidth adaptation. 
     
     
       4. The electronic device of  claim 1 , wherein to identify the combination of the one or more frequency parts, the processor is further configured to identify the combination of the one or more frequency parts for a physical downlink control channel (PDCCH) or the physical uplink control channel (PUCCH). 
     
     
       5. The electronic device of  claim 1 , wherein the multiple frequency parts include uplink frequency parts of an uplink channel and downlink frequency parts of a downlink channel that differ from the uplink frequency parts, and to obtain the beamforming codebook, the processor is further configured to:
 obtain a first codebook for the uplink frequency parts; and 
 obtain a second codebook for the downlink frequency parts, 
 wherein the beamforming codebook is selected from the first codebook and the second codebook based on a comparison of at least one metric for the uplink channel and the downlink channel, the at least one metric including: priority, latency, throughput, reference signal receive power (RSRP), signal-to-noise ratio (SNR), and signal-to-interference-plus-noise ratio (SINR). 
 
     
     
       6. The electronic device of  claim 1 , wherein:
 frequency parts of the multiple frequency parts include attributes comprising bandwidth, pathloss, and beamforming gain, and 
 the beamforming codebook is obtained based on the attributes. 
 
     
     
       7. The electronic device of  claim 1 , wherein:
 each of the plurality of beamforming codebooks corresponds to a different combination of frequency parts from the multiple frequency parts, each of the plurality of beamforming codebooks based on electromagnetic response data of the electronic device and attributes of the frequency parts, the attributes including bandwidth, pathloss, and beamforming gain. 
 
     
     
       8. The electronic device of  claim 1 , wherein the beamforming codebook is obtained to maximize a weighted sum of a performance metric across the combination of the one or more frequency parts, or to maximize a minimal weighted performance metric across the combination of the one or more frequency parts. 
     
     
       9. The electronic device of  claim 1 , wherein when the beamforming codebook is one of the plurality of beamforming codebooks stored in the memory of the electronic device, the beamforming codebook includes codewords that are shared with one or more other beamforming codebooks in the plurality of beamforming codebooks. 
     
     
       10. The electronic device of  claim 1 , wherein the beamforming codebook includes beam codewords for each frequency part in the combination of the one or more frequency parts. 
     
     
       11. A method for managing an antenna in an electronic device, the method comprising:
 determining, for the antenna including a plurality of antenna elements configured for communication over multiple frequency parts, the multiple frequency parts based on at least one of: spacing between the plurality of antenna elements, wavelengths of the multiple frequency parts, a radiation gain of the antenna, or radiation efficiency of the multiple frequency parts; 
 reporting, in a physical uplink control channel (PUCCH), the multiple frequency parts for performing the communication; 
 identifying, from a configuration received in response to the multiple frequency parts reported in the PUCCH, a combination of one or more frequency parts from the multiple frequency parts for performing the communication; 
 obtaining a beamforming codebook by (i) selecting the beamforming codebook from a plurality of beamforming codebooks stored in memory, the selected beamforming codebook based on the combination of the one or more frequency parts and a bandwidth management operation, or (ii) generating the beamforming codebook based on the combination of the one or more frequency parts and the bandwidth management operation; and 
 applying one or more beams within the beamforming codebook for performing the communication. 
 
     
     
       12. The method of  claim 11 , wherein a frequency part is one of a frequency band, a carrier within the frequency band, or a bandwidth part (BWP) in the carrier. 
     
     
       13. The method of  claim 11 , wherein the bandwidth management operation comprises carrier aggregation, dual connectivity, or bandwidth adaptation. 
     
     
       14. The method of  claim 11 , wherein identifying the combination of the one or more frequency parts comprises identifying the combination of the one or more frequency parts for a physical downlink control channel (PDCCH) or the physical uplink control channel (PUCCH). 
     
     
       15. The method of  claim 11 , wherein:
 the multiple frequency parts include uplink frequency parts of an uplink channel and downlink frequency parts of a downlink channel that differ from the uplink frequency parts, obtaining the beamforming codebook comprises: 
 obtaining the beamforming codebook comprises:
 obtaining a first codebook for the uplink frequency parts; and 
 obtaining a second codebook for the downlink frequency parts, and 
 
 the beamforming codebook is selected from the first codebook and the second codebook based on a comparison of at least one metric for the uplink channel and the downlink channel, the at least one metric including: priority, latency, throughput, reference signal receive power (RSRP), signal-to-noise ratio (SNR), and signal-to-interference-plus-noise ratio (SINK). 
 
     
     
       16. The method of  claim 11 , wherein:
 frequency parts of the multiple frequency parts include attributes comprising bandwidth, pathloss, and beamforming gain, and 
 the beamforming codebook is obtained based on the attributes. 
 
     
     
       17. The method of  claim 11 , wherein each of the plurality of beamforming codebooks corresponds to a different combination of frequency parts from the multiple frequency parts, each of the plurality of beamforming codebooks based on electromagnetic response data of the electronic device and attributes of the frequency parts, the attributes including bandwidth, pathloss, and beamforming gain. 
     
     
       18. The method of  claim 11 , wherein the beamforming codebook is obtained to maximize a weighted sum of a performance metric across the combination of the one or more frequency parts, or to maximize a minimal weighted performance metric across the combination of the one or more frequency parts. 
     
     
       19. The method of  claim 11 , wherein when the beamforming codebook is one of the plurality of beamforming codebooks stored in the memory of the electronic device, the beamforming codebook includes codewords that are shared with one or more other beamforming codebooks in the plurality of beamforming codebooks. 
     
     
       20. The method of  claim 11 , wherein the beamforming codebook includes beam codewords for each frequency part in the combination of the one or more frequency parts.